ABE Volume Calculator Page - A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.grapevine.abe.msstate.edu/~fto/tools/vol/index.html

Allchin Measurements Converter - Converts common measurements from metric to imperial and vice versa, with other systems included for selected quantities such as light years, picas, and Old Russian measures.allchin.net/converter

Automation Engineering Calculations - A collection of engineering and formulation calculations, conversions and links that may be useful to the traveling automation engineer.home.earthlink.net/~femitchell

Conversion Factors for Energy Equivalents - Physics laboratory of the National Institute of Standards and Technology (NIST) sponsors and maintains this reference resource of CODATA-recommended values of fundamental physical restraints.physics.nist.gov/cuu/Constants/energy.html

Unit Conversion and Day of the Week - Over 100 conversion factors such as inches to centimetres, gallon to cubic metres or even curie to becquerel. Includes instructions as to how to use the conversion factors in your calculations.www.soton.ac.uk/~scp93ch/units/index.html?www.soton.ac.uk/~scp93ch/units/convfact.html

The Foot Rule - Convert units from one measure to another (e.g. meters to yards, liters to gallons). A very extensive collection of units and categories. Includes usage and definitions descriptions of units and categories.www.omnis.demon.co.uk